SCS Sportsman Quick Change Gear Set #22 15001903 0:1 compression ratio on blocks

0:1 compression ratio on blocks with a 3/16 base relief (stock bore and stroke)

seal air boxes & more

but mounted behind a high horsepower - high RPM engine

Pit Pal manufactures top-of-the-line products

Single Underbody Exit

SCS Sportsman Quick Change Gear Set #22 15001903 0:1 compression ratio on blocksA quality gear priced for the sportsman racer! SCS Sportsman Series Quick Change Gears are unlightened 10 spline gears that are CNC crown hobbed from 8620 material, then heat treated and REM finished prior to shipment. Since 1979, SCS Gearbox, Inc. has been listening to it's customers! When SCS Gearbox first started manufacturing, it was to meet the needs of tractor pullers to provide specialized gearing for their tractors and trucks. As SCS Gearbox